Fig. 5

Mucosal hyperenhancement. Axial (a) and sagittal-reformatted (b) CT images of a 58-year-old woman presenting with right lower quadrant pain for 16 h, elevated white blood cell counts (10,060 cells/mm3) and neutrophilia (71.3% neutrophils) show an enlarged appendix with wall thickening and hyperenhancement at its distal end (arrow). Note moderate-to-severe periappendiceal fat stranding. Gangrenous appendicitis was confirmed at surgery and histopathology